Average Co-Inventor Count = 2.45
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Canon Kabushiki Kaisha (6 from 90,697 patents)
6 patents:
1. 10603012 - Probe and information acquiring device
2. 7711276 - Sheet material discrimination apparatus, sheet material information output apparatus, and image forming apparatus
3. 7583413 - Signal output and image forming apparatus with method of judging sheet type by impact detection
4. 7469108 - Sheet material discrimination apparatus, sheet material information output apparatus, and image forming apparatus
5. 7426062 - Signal output apparatus, image forming apparatus and information output apparatus
6. 7204124 - Sheet material detecting device